diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex
index 13d592cec..a7c5d5510 100644
--- a/lib/pleroma/web/activity_pub/mrf.ex
+++ b/lib/pleroma/web/activity_pub/mrf.ex
@@ -31,9 +31,11 @@ defmodule Pleroma.Web.ActivityPub.MRF do
         %{
           key: :transparency_exclusions,
           label: "MRF transparency exclusions",
-          type: {:list, :string},
+          type: {:list, :tuple},
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description:
-            "Exclude specific instance names from MRF transparency. The use of the exclusions feature will be disclosed in nodeinfo as a boolean value.",
+            "Exclude specific instance names from MRF transparency. The use of the exclusions feature will be disclosed in nodeinfo as a boolean value. You can also provide a reason for excluding these instance names. The instances and reasons won't be publicly disclosed.",
           suggestions: [
             "exclusion.com"
           ]
diff --git a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
index cc57e11ca..8a8f20732 100644
--- a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
@@ -159,8 +159,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do
         %{
           key: :replace,
           type: {:list, :tuple},
-          keyPlaceholder: "pattern",
-          valuePlaceholder: "replacement",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description: """
             **Pattern**: a string or [Regex](https://hexdocs.pm/elixir/Regex.html) in the format of `~r/PATTERN/`.
 
diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
index d84c33864..de0904ad6 100644
--- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
@@ -280,8 +280,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
         %{
           key: :media_removal,
           type: {:list, :tuple},
-          keyPlaceholder: "instance",
-          valuePlaceholder: "reason",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description:
             "List of instances to strip media attachments from and the reason for doing so",
           suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
@@ -290,8 +290,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
           key: :media_nsfw,
           label: "Media NSFW",
           type: {:list, :tuple},
-          keyPlaceholder: "instance",
-          valuePlaceholder: "reason",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description:
             "List of instances to tag all media as NSFW (sensitive) from and the reason for doing so",
           suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
@@ -299,8 +299,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
         %{
           key: :federated_timeline_removal,
           type: {:list, :tuple},
-          keyPlaceholder: "instance",
-          valuePlaceholder: "reason",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description:
             "List of instances to remove from the Federated Timeline (aka The Whole Known Network) and the reason for doing so",
           suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
@@ -308,8 +308,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
         %{
           key: :reject,
           type: {:list, :tuple},
-          keyPlaceholder: "instance",
-          valuePlaceholder: "reason",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description:
             "List of instances to reject activities (except deletes) from and the reason for doing so",
           suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
@@ -317,8 +317,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
         %{
           key: :accept,
           type: {:list, :tuple},
-          keyPlaceholder: "instance",
-          valuePlaceholder: "reason",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description:
             "List of instances to only accept activities (except deletes) from and the reason for doing so",
           suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
@@ -326,8 +326,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
         %{
           key: :followers_only,
           type: {:list, :tuple},
-          keyPlaceholder: "instance",
-          valuePlaceholder: "reason",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description:
             "Force posts from the given instances to be visible by followers only and the reason for doing so",
           suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
@@ -335,32 +335,32 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
         %{
           key: :report_removal,
           type: {:list, :tuple},
-          keyPlaceholder: "instance",
-          valuePlaceholder: "reason",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description: "List of instances to reject reports from and the reason for doing so",
           suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
         },
         %{
           key: :avatar_removal,
           type: {:list, :tuple},
-          keyPlaceholder: "instance",
-          valuePlaceholder: "reason",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description: "List of instances to strip avatars from and the reason for doing so",
           suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
         },
         %{
           key: :banner_removal,
           type: {:list, :tuple},
-          keyPlaceholder: "instance",
-          valuePlaceholder: "reason",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description: "List of instances to strip banners from and the reason for doing so",
           suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
         },
         %{
           key: :reject_deletes,
           type: {:list, :tuple},
-          keyPlaceholder: "instance",
-          valuePlaceholder: "reason",
+          key_placeholder: "instance",
+          value_placeholder: "reason",
           description: "List of instances to reject deletions from and the reason for doing so",
           suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
         }